Copy comment from mango blog to Mura.

copycomment.sql

INSERT INTO `muracms`.`tcontentcomments`
(commentId,contentId,comments,NAME,email,url,entered,isApproved,siteId)
SELECT 
MC.id AS commentId,
MUT.contentId AS contentId,
MC.content AS comments,
MC.creator_name AS NAME,
MC.creator_email AS email,
MC.creator_url AS url,
MC.created_on AS entered,
MC.approved AS isApproved,
'yoursiteid' AS siteid
FROM  `muracms`.`tcontent`  AS MUT
INNER JOIN `mangodata`.`tblblogentry` AS MT ON MT.title = MUT.title AND MUT.`Active` = 1
INNER JOIN `mangodata`.tblblogcomment AS MC ON MT.ID = MC.entry_id;